diff --git a/fortium.f90 b/fortium.f90
index 0e03edc..67484e5 100644
--- a/fortium.f90
+++ b/fortium.f90
@@ -1,14 +1,17 @@
 module fortium
-    !Fortran bindings for the nanomsg v0.4 sockets library (https://github.com/nanomsg/nanomsg)
-    !"nanomsg" is licensed under MIT/X11 license and is a trademark of 250bpm s.r.o.
+    !Fortran bindings for libsodium - a P(ortable|ackageable) NaCl-based crypto library
+    !(https://github.com/jedisct1/libsodium)
+    !"libsodium" is licensed under the ISC license (http://en.wikipedia.org/wiki/ISC_license)
     !
-    !nanofort bindings for nanomsg - MIT License (MIT)
-    !See LICENSE file for more details    
+    !fortium bindings for libsodium - MIT License (MIT)
+    !See LICENSE file for more details 
     !Copyright (c) 2014 John N. Shahbazian
-    !https://github.com/jshahbazi/nanofort
+    !https://github.com/jshahbazi/fortium
 
     use iso_c_binding 
     
+    implicit none
+    
     interface     
     
         !----------------------------
@@ -175,14 +178,6 @@ integer(c_int) function crypto_auth_hmacsha512256_final(state, out) bind(c,name=
             type(c_ptr), value :: out                  !unsigned char *out
         end function crypto_auth_hmacsha512256_final   
         
-        
-      integer(c_int) function strlen(s) bind(c, name='strlen')
-        use iso_c_binding
-        implicit none
-        !----
-        type(c_ptr), intent(in), value :: s
-      end function strlen
-        
         !c_memcpy - same as the C function memcpy
         type(c_ptr) function c_memcpy(dest, src, n) bind(c,name="memcpy")
           use iso_c_binding
diff --git a/fortium_defines.f90 b/fortium_defines.f90
index dca466e..f53bea9 100644
--- a/fortium_defines.f90
+++ b/fortium_defines.f90
@@ -1,7 +1,17 @@
 module fortium_defines
-    use iso_c_binding
+    !Fortran bindings for libsodium - a P(ortable|ackageable) NaCl-based crypto library
+    !(https://github.com/jedisct1/libsodium)
+    !"libsodium" is licensed under the ISC license (http://en.wikipedia.org/wiki/ISC_license)
+    !
+    !fortium bindings for libsodium - MIT License (MIT)
+    !See LICENSE file for more details 
+    !Copyright (c) 2014 John N. Shahbazian
+    !https://github.com/jshahbazi/fortium
     
+    use iso_c_binding
     
+    implicit none
+        
     !-----------------------------
     !crypto_hash_sha512.h    
     
diff --git a/fortium_types.f90 b/fortium_types.f90
index a79e526..99257a1 100644
--- a/fortium_types.f90
+++ b/fortium_types.f90
@@ -1,15 +1,16 @@
 module fortium_types
-    !Fortran bindings for the nanomsg v0.4 sockets library (https://github.com/nanomsg/nanomsg)
-    !"nanomsg" is licensed under MIT/X11 license and is a trademark of 250bpm s.r.o.
+    !Fortran bindings for libsodium - a P(ortable|ackageable) NaCl-based crypto library
+    !(https://github.com/jedisct1/libsodium)
+    !"libsodium" is licensed under the ISC license (http://en.wikipedia.org/wiki/ISC_license)
     !
-    !nanofort bindings for nanomsg - MIT License (MIT)
-    !See LICENSE file for more details    
+    !fortium bindings for libsodium - MIT License (MIT)
+    !See LICENSE file for more details 
     !Copyright (c) 2014 John N. Shahbazian
-    !https://github.com/jshahbazi/nanofort
+    !https://github.com/jshahbazi/fortium
     
     use iso_c_binding
     
-
+    implicit none
     
     type, bind(c) :: crypto_hash_sha512_state
         integer(c_int64_t) :: state(8)